---
title: "Locking Mailbox — $267K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/locking-mailbox"
last_updated: "2026-08-09T01:49:03.774Z"
locale: en
meta:
description: "Niche score 35/100 · $267K/yr market · 193K searches/yr · $78.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $267K/yr market · 193K searches/yr · $78.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Locking Mailbox — $267K/yr Amazon US Niche (2026) - Flapen"
---
# **locking mailbox**
**Skip it**
Brand-locked demand (top 5 brands take 92% of clicks) — this niche doesn't clear our bar today.
Market size 49Growth 22Conversion 22Competition 44Returns 31Price range 36Avg price 83Brand share 20Review moat 42Quality gap 30
**Avg price**
**Great****$78.39**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****$267K**
$267K/yr · 193K searches
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,266.29**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****$9.85–$247.15**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****4.5%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-5.7%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, locking mailbox is a $267K/yr Amazon United States market (193K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 35/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **locking mailbox market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$314K–$392K**
- units × avg price
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#44**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **71%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **149 days**
## **Competition & brand share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **—flat
**Sellers**
**76**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**59%**
Top 20: 99%
**Open market**
**5%**
- ARCHITECTURAL MAILBOXES37% - Mail Boss35% - KYODOLED9% - Uniclife7% - Whitehall4% - RAINHOL2% - Open — no brand owns it (3 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.7% search growth over the last 90 days.
13K8KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/locking-mailbox/trend)
## **Top locking mailbox search terms**
- **locking mailboxes usps approved**43K/yr+5.4%2.0% conv. - **locked mailbox**27K/yr-9.6%1.7% conv. - **door mailbox**24K/yr-19.5%0.8% conv. - **indoor mailbox**16K/yr-0.4%0.4% conv. - **large wall mount mailbox**9K/yr-4.4%0.5% conv. - **apartment mailbox**8K/yr+0.2%0.8% conv. - **commercial mailbox**9K/yr-13.3%0.6% conv. - **wall mount mailbox with lock**7K/yr+12.5%0.6% conv. - **mailbox locking**6K/yr-1.3%2.2% conv. - **mailbox for door**7K/yr-17.3%1.3% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/locking-mailbox/search-terms)
## **Top locking mailbox products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$27K20%$53K30%$80K40%$107K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox Black Large**Mail Boss**$101.81**4.8★12,579 rev](https://www.amazon.com/dp/B008HVH502) [2**Architectural Mailboxes 6300B-10 Oasis 360 Locking Parcel Mailbox Extra Large Black 6300B-10**ARCHITECTURAL MAILBOXES**$91.99**4.6★4,097 rev](https://www.amazon.com/dp/B0773QDGBR) [3**Uniclife Wall Mount Mailbox for Outside Locking Mail Box Large Mailbox with Key Lock Security Mail Box for House Safe Key Drop Box Post Box Steel Cash Drop Box for Home Office School Black**Uniclife**$26.23**4.6★576 rev](https://www.amazon.com/dp/B0DDTF9VPY) [4**Architectural Mailboxes Reliant Locking Post Mount Mailbox Black Large**ARCHITECTURAL MAILBOXES**$74.58**4.6★229 rev](https://www.amazon.com/dp/B0BP2Y8ZF3) [5**Architectural Mailboxes 6200B-10 Oasis Classic Locking Post Mount Parcel Mailbox with High Security Reinforced Lock Black 18.00 x 15.00 x 11.50 inches**ARCHITECTURAL MAILBOXES**$115.82**4.6★3,755 rev](https://www.amazon.com/dp/B0002Q91K2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mailbox with Mounting Post Comes with 4 Keys Mailboxes for Outside Locking Mailbox Large Black Metal Mail Box Heavy Duty**Airhercs**$125.63**41 rev6mo ago](https://www.amazon.com/dp/B0FX5D9JBW) [**Whitehall MailVault Streetside Locking Mailbox Heavy Duty Steel Anti-Theft Secure Mailbox for Outside Large Modern Square Post Mount Mailbox with Key Lock Weather Resistant Black**Whitehall**$83.45**57 rev9mo ago](https://www.amazon.com/dp/B0FVMPVTH1) [**VEVOR Post Mount Mailbox Anti-Pry & Anti-Theft Mailboxes for Outside Heavy Duty Lockable Mail Box with Magnetic Door Weather-Resistant Metal Post Box for House Outside 21.06 x 10.63 x 11.22 in**VEVOR**$79.16**20 rev10mo ago](https://www.amazon.com/dp/B0FSK4FJ86) [**Architectural Mailboxes Modern Heritage Wall Mount Mailbox Black Small**ARCHITECTURAL MAILBOXES**$15.50**255 rev1y ago](https://www.amazon.com/dp/B0F8X1RG8F) [**Large Locking Mailbox for Outside RAINHOL Black 21x 11.2 x 10.5**RAINHOL**$98.64**68 rev1y ago](https://www.amazon.com/dp/B0DPZNGV72)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mailbox with Mounting Post Comes with 4 Keys Mailboxes for Outside Locking Mailbox Large Black Metal Mail Box Heavy Duty**Airhercs**$125.63**4.3★**▲ 160%**](https://www.amazon.com/dp/B0FX5D9JBW) [**Whitehall MailVault Streetside Locking Mailbox Heavy Duty Steel Anti-Theft Secure Mailbox for Outside Large Modern Square Post Mount Mailbox with Key Lock Weather Resistant Black**Whitehall**$83.45**4.4★**▲ 54%**](https://www.amazon.com/dp/B0FVMPVTH1) [**Large Locking Mailbox for Outside RAINHOL Black 21x 11.2 x 10.5**RAINHOL**$98.64**4.7★**▲ 52%**](https://www.amazon.com/dp/B0DPZNGV72) [**VEVOR Post Mount Mailbox Anti-Pry & Anti-Theft Mailboxes for Outside Heavy Duty Lockable Mail Box with Magnetic Door Weather-Resistant Metal Post Box for House Outside 21.06 x 10.63 x 11.22 in**VEVOR**$79.16**4.2★**▲ 48%**](https://www.amazon.com/dp/B0FSK4FJ86) [**Architectural Mailboxes Oasis TriBolt Locking Post Mount Mailbox Black XL**ARCHITECTURAL MAILBOXES**$121.80**4.7★**▲ 40%**](https://www.amazon.com/dp/B07DH66DJP)
**~~View all trending →~~**
## **What buyers say about locking mailbox**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Excellent quality”*
**Strength**13%
*“This Mailbox is very strong”*
**Assembly/Installation**9%
*“Easy install”*
**Size-Overall**9%
*“it was perfect size”*
**Advertised Vs Actual Product**7%
*“AS DESCRIBED”*
**Value For Money**7%
*“Affordable Price”*
**Locking Mechanism**6%
*“Excellent mailbox with special lock mechanism”*
**Security**6%
*“This makes me feel very secure”*
**Durability**4%
*“Very durable”*
**Design-Overall**3%
*“Sturdy”*
### **What buyers complain about **
**Size-Overall**22%
*“Fit is not the best as you cannot lay a full size envelope in it horizontally”*
**Water Resistance**8%
*“my mail has been soaked”*
**Assembly/Installation**6%
*“Difficult installation”*
**Quality-Overall**6%
*“Terrible product”*
**Ease Of Use**5%
*“won't open all the way”*
**Locking Mechanism**4%
*“The lock is cheaply made”*
**Leak-Proof**3%
*“This thing leaks so bad”*
**Adhesion/Stickiness**2%
*“Nice mailbox sticky letters not so much”*
**Rusts/Corrodes**2%
*“it is rusting”*
**Durability**2%
*“I don't expect it to last long”*
### **Top return reasons **
**Size-Overall**72%
**Advertised Vs Actual Product**4%
**Locking Mechanism**3%
**Functionality-Overall**3%
**Value For Money**2%
**Defective Material/Parts**2%
**Weight Heavy**2%
**Assembly/Installation**2%
**Compatibility-Overall**1%
**Quality-Overall**1%
## **Common questions**
- **Is locking mailbox profitable to sell on Amazon United States?**
- The niche generates $267K/yr across 21 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -5.7%. Flapen's verdict: Skip it (35/100).
- **How competitive is the locking mailbox niche?**
- 9 brands and 76 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in locking mailbox?**
- Top complaints mined from reviews: Size-Overall, Water Resistance, Assembly/Installation. The return rate is 4.5%.
- **When does demand for locking mailbox peak?**
- Demand is steady year-round — the busiest month runs 2.3× the quietest.
- **What does it cost to enter the locking mailbox niche?**
- Listings span $9.85–$247.15; the average listing price is $78.39 (sweet spot $15–$100). The average incumbent carries 2,266 reviews — the moat a new listing must climb.
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